220202404 has 6 divisors (see below), whose sum is σ = 385354214. Its totient is φ = 110101200.

The previous prime is 220202387. The next prime is 220202413. The reversal of 220202404 is 404202022.

It can be written as a sum of positive squares in only one way, i.e., 171872100 + 48330304 = 13110^2 + 6952^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27525297 + ... + 27525304.

Almost surely, 2^220202404 is an apocalyptic number.

It is an amenable number.

220202404 is a deficient number, since it is larger than the sum of its proper divisors (165151810).

220202404 is a wasteful number, since it uses less digits than its factorization.

220202404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55050605 (or 55050603 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 220202404 is about 14839.2184430313. The cubic root of 220202404 is about 603.8661494549.

Adding to 220202404 its reverse (404202022), we get a palindrome (624404426).

The spelling of 220202404 in words is "two hundred twenty million, two hundred two thousand, four hundred four".